Taxonomic revision of pikas Ochotona (Lagomorpha, Mammalia) at the species levelстатья
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Дата последнего поиска статьи во внешних источниках: 2 июня 2014 г.
Аннотация:I examined a sample comprising 1090 intact
skulls, representing all recognized Palearctic species of
pika (Ochotona), as well as 394 complete sequences of the
cytochrome b gene from all recognized pika species. The
results of the analyses suggest that 28 species should be
recognized in the genus. Six of these species are “allospecies”
(allopatric taxa with vague taxonomic rank) or could
potentially be reduced to subspecific rank if one accepts
the principle of the strict monophyly within species. Two
taxa (Ochotona himalayana and O. muliensis) are considered
to be junior synonyms of O. roylei and O. gloveri,
respectively. Recent hybridization between O. nubrica and
O. curzoniae with elimination of O. nubrica’s mtDNA is
hypothesized. Analysis of the type specimens of O. huangensis
indicates that this name is the junior synonym of
O. dauurica; the senior synonym for taxon from the thibetana
group, for which the name “O. huangensis” was used
previously, is O. syrinx.